1 | /*
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2 | Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
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3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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4 | */
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5 |
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6 | CKEDITOR.plugins.add( 'resize',
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7 | {
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8 | init : function( editor )
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9 | {
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10 | var config = editor.config;
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11 |
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12 | // Resize in the same direction of chrome,
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13 | // which is identical to dir of editor element. (#6614)
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14 | var resizeDir = editor.element.getDirection( 1 );
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15 |
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16 | !config.resize_dir && ( config.resize_dir = 'both' );
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17 | ( config.resize_maxWidth == undefined ) && ( config.resize_maxWidth = 3000 );
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18 | ( config.resize_maxHeight == undefined ) && ( config.resize_maxHeight = 3000 );
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19 | ( config.resize_minWidth == undefined ) && ( config.resize_minWidth = 750 );
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20 | ( config.resize_minHeight == undefined ) && ( config.resize_minHeight = 250 );
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21 |
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22 | if ( config.resize_enabled !== false )
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23 | {
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24 | var container = null,
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25 | origin,
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26 | startSize,
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27 | resizeHorizontal = ( config.resize_dir == 'both' || config.resize_dir == 'horizontal' ) &&
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28 | ( config.resize_minWidth != config.resize_maxWidth ),
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29 | resizeVertical = ( config.resize_dir == 'both' || config.resize_dir == 'vertical' ) &&
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30 | ( config.resize_minHeight != config.resize_maxHeight );
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31 |
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32 | function dragHandler( evt )
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33 | {
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34 | var dx = evt.data.$.screenX - origin.x,
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35 | dy = evt.data.$.screenY - origin.y,
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36 | width = startSize.width,
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37 | height = startSize.height,
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38 | internalWidth = width + dx * ( resizeDir == 'rtl' ? -1 : 1 ),
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39 | internalHeight = height + dy;
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40 |
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41 | if ( resizeHorizontal )
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42 | width = Math.max( config.resize_minWidth, Math.min( internalWidth, config.resize_maxWidth ) );
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43 |
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44 | if ( resizeVertical )
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45 | height = Math.max( config.resize_minHeight, Math.min( internalHeight, config.resize_maxHeight ) );
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46 |
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47 | editor.resize( width, height );
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48 | }
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49 |
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50 | function dragEndHandler ( evt )
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51 | {
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52 | CKEDITOR.document.removeListener( 'mousemove', dragHandler );
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53 | CKEDITOR.document.removeListener( 'mouseup', dragEndHandler );
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54 |
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55 | if ( editor.document )
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56 | {
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57 | editor.document.removeListener( 'mousemove', dragHandler );
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58 | editor.document.removeListener( 'mouseup', dragEndHandler );
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59 | }
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60 | }
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61 |
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62 | var mouseDownFn = CKEDITOR.tools.addFunction( function( $event )
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63 | {
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64 | if ( !container )
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65 | container = editor.getResizable();
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66 |
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67 | startSize = { width : container.$.offsetWidth || 0, height : container.$.offsetHeight || 0 };
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68 | origin = { x : $event.screenX, y : $event.screenY };
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69 |
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70 | config.resize_minWidth > startSize.width && ( config.resize_minWidth = startSize.width );
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71 | config.resize_minHeight > startSize.height && ( config.resize_minHeight = startSize.height );
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72 |
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73 | CKEDITOR.document.on( 'mousemove', dragHandler );
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74 | CKEDITOR.document.on( 'mouseup', dragEndHandler );
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75 |
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76 | if ( editor.document )
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77 | {
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78 | editor.document.on( 'mousemove', dragHandler );
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79 | editor.document.on( 'mouseup', dragEndHandler );
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80 | }
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81 | });
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82 |
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83 | editor.on( 'destroy', function() { CKEDITOR.tools.removeFunction( mouseDownFn ); } );
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84 |
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85 | editor.on( 'themeSpace', function( event )
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86 | {
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87 | if ( event.data.space == 'bottom' )
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88 | {
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89 | var direction = '';
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90 | if ( resizeHorizontal && !resizeVertical )
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91 | direction = ' cke_resizer_horizontal';
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92 | if ( !resizeHorizontal && resizeVertical )
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93 | direction = ' cke_resizer_vertical';
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94 |
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95 | var resizerHtml =
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96 | '<div' +
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97 | ' class="cke_resizer' + direction + ' cke_resizer_' + resizeDir + '"' +
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98 | ' title="' + CKEDITOR.tools.htmlEncode( editor.lang.resize ) + '"' +
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99 | ' onmousedown="CKEDITOR.tools.callFunction(' + mouseDownFn + ', event)"' +
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100 | '></div>';
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101 |
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102 | // Always sticks the corner of botttom space.
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103 | resizeDir == 'ltr' && direction == 'ltr' ?
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104 | event.data.html += resizerHtml :
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105 | event.data.html = resizerHtml + event.data.html;
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106 | }
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107 | }, editor, null, 100 );
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108 | }
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109 | }
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110 | } );
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111 |
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112 | /**
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113 | * The minimum editor width, in pixels, when resizing the editor interface by using the resize handle.
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114 | * Note: It falls back to editor's actual width if it is smaller than the default value.
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115 | * @name CKEDITOR.config.resize_minWidth
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116 | * @type Number
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117 | * @default 750
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118 | * @example
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119 | * config.resize_minWidth = 500;
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120 | */
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121 |
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122 | /**
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123 | * The minimum editor height, in pixels, when resizing the editor interface by using the resize handle.
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124 | * Note: It falls back to editor's actual height if it is smaller than the default value.
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125 | * @name CKEDITOR.config.resize_minHeight
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126 | * @type Number
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127 | * @default 250
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128 | * @example
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129 | * config.resize_minHeight = 600;
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130 | */
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131 |
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132 | /**
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133 | * The maximum editor width, in pixels, when resizing the editor interface by using the resize handle.
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134 | * @name CKEDITOR.config.resize_maxWidth
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135 | * @type Number
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136 | * @default 3000
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137 | * @example
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138 | * config.resize_maxWidth = 750;
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139 | */
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140 |
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141 | /**
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142 | * The maximum editor height, in pixels, when resizing the editor interface by using the resize handle.
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143 | * @name CKEDITOR.config.resize_maxHeight
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144 | * @type Number
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145 | * @default 3000
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146 | * @example
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147 | * config.resize_maxHeight = 600;
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148 | */
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149 |
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150 | /**
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151 | * Whether to enable the resizing feature. If this feature is disabled, the resize handle will not be visible.
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152 | * @name CKEDITOR.config.resize_enabled
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153 | * @type Boolean
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154 | * @default true
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155 | * @example
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156 | * config.resize_enabled = false;
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157 | */
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158 |
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159 | /**
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160 | * The dimensions for which the editor resizing is enabled. Possible values
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161 | * are <code>both</code>, <code>vertical</code>, and <code>horizontal</code>.
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162 | * @name CKEDITOR.config.resize_dir
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163 | * @type String
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164 | * @default 'both'
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165 | * @since 3.3
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166 | * @example
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167 | * config.resize_dir = 'vertical';
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168 | */
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